Features

• Set of secondary leaf springs designed to work with OEM leaf springs and support extra loads
• Pro Series creates the quietest ride by adding polyurethane cushioning blocks to eliminate rubbing noise between leaf ends
• Silent Ride polyurethane bushings are sold separately (see Product Options)
• Recommended for heavy hauling, work truck use, or pulling a 5th-wheel RV trailer
• Also stabilizes the helper spring in reverse or rebound mode
• Unique design provides enhanced load and sway control in one spring
• Crafted from heat-treated ASTM 5160 alloy spring steel for maximum strength and resilience
• 2-leaf design provides support at the point when OEM leaf springs become loaded and compressed
• Adds up to 2,500 pounds of load support and leveling capacity to the rear of your vehicle
• Progressive spring rate is designed never to need adjustment
• Prevents leaf spring from sagging due to sustained load compression
• Maintains proper rear ride height
  Progressive Rate Design is Fully Adjustable
• Design can handle the load 24/7
• Mounting kit sold separately
• Helps reduce bouncing at the rear of vehicle when towing
• (drilling may be required)
• Manufactured in the United States